当代化工
噹代化工
당대화공
CONTEMPORARY CHEMICAL INDUSTRY
2015年
2期
313-314,324
,共3页
催化合成%硫磷酯%新工艺
催化閤成%硫燐酯%新工藝
최화합성%류린지%신공예
Catalytic synthesis%Methyl ester dimethyl-dithiophosphoryl acetic%New process
重点介绍了采用相转移催化剂合成有机磷农药乐果重要中间体硫磷酯的新工艺，该工艺对催化剂进行了优选，并对生产工艺条件进行了优化，在不改变现有工艺设备的情况下，使硫磷酯的收率提高5％以上，硫磷酯的含量达到90％左右。本工艺成功应用于工业生产，具有缩短反应周期、投入少、见效快、产品质量稳定、工艺简单等优点。
重點介紹瞭採用相轉移催化劑閤成有機燐農藥樂果重要中間體硫燐酯的新工藝，該工藝對催化劑進行瞭優選，併對生產工藝條件進行瞭優化，在不改變現有工藝設備的情況下，使硫燐酯的收率提高5％以上，硫燐酯的含量達到90％左右。本工藝成功應用于工業生產，具有縮短反應週期、投入少、見效快、產品質量穩定、工藝簡單等優點。
중점개소료채용상전이최화제합성유궤린농약악과중요중간체류린지적신공예，해공예대최화제진행료우선，병대생산공예조건진행료우화，재불개변현유공예설비적정황하，사류린지적수솔제고5％이상，류린지적함량체도90％좌우。본공예성공응용우공업생산，구유축단반응주기、투입소、견효쾌、산품질량은정、공예간단등우점。
A new synthesis technology of methyl ester dimethyl-dithiophosphoryl acetic by using phase transfer catalyst was introduced, and the catalysts were screened, and the production process conditions are optimized. Under the condition of the existing processing equipments, the yield of methyl ester dimethyl-dithiophosphoryl acetic was increased by more than 5%, its content reached about 90%. After the technology was applied to industrial production, the reaction period was shortened, the investment was decreased, and product quality was stable.
